Knee or elbow protector



FIG. 1 is a front elevational view of the knee or elbow protector of this invention;

FIG. 2 is a left side elevational view thereof, the side opposite being a mirror image thereof;

FIG. 3 is a front perspective view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a rear elevational view thereof, the broken lines being indicative of stitching, not hidden structure. 

The ornamental design for a knee or elbow protector, as shown and described. 